Field effect electron emission device employing ellipsoidal spacer and assembly method thereof

摘要

The present invention relates to a field effect electron emission device employing an ellipsoidal spacer and a method of assembling the spacer. Assembly method of the ellipsoidal spacer according to the present invention, forming a groove for preventing the flow of the ellipsoidal spacer in the positive electrode plate; Applying a glass paste to the groove; Placing the ellipsoidal spacer on a grooved ellipsoidal spacer position alignment jig; And aligning the ellipsoidal spacer placed on the ellipsoidal spacer position alignment jig to the grooves of the positive electrode plate and fixing the ellipsoidal spacer to the grooves of the positive electrode plate. There are advantages to it. In addition, the height of the assembled spacer is almost perfectly uniform with the height of the ball lens, and the area occupied by the spacer in the bipolar plate can be reduced.